. >> tuesday night, watch live election coverage on c-span2 with president obama from chicago, and mitt romney in boston, plus key house and senate victory and concession speeches from across the country, and throughout the night, your reaction by phone, e-mail, facebook and twitter. live coverage starts at 8:00 p.m. eastern on c-span, c-span radio, and c-span.org. >> up next, author and lecturer kenneth defense. the acclaimed author about the "don't know much about" source, talks about michiganology, geography and more. he has written 12 adult nonfiction books, including america's hidden history, a nation rising, and don't know much about the american presidents. >> host: where did the "don't know much about" series come from? >> guest: the idea came from my own little brain, although it didn't start out as a series. it started out with the idea i loved american history. i wanted to write about it in a way that shared my enthusiasm for a subject that i've loved since i was small child. the title came, of course, from sam cook's wonderful song, which i knew from childhood, and so it got